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Configure the ERPS Ring

When configuring the ERPS ring, it is necessary to configure the ports on each node that access the ERPS ring and the nodes on the ring.

Configuration Conditions

Before configuring the ERPS ring, first complete the following tasks:

  • Create one control VLAN
  • Close the ring network protocol of the ring ports
  • Configure the ring port as the trunk mode
  • Add the ring ports to the control VLAN of the ring
  • Configure the MSTP instance and the mapping relation of the contained VLANs

Configure the ERPS Ring

Configure the basic functions of the ERPS ring.

Table 11-2 Configure the ERPS ring

Step

Command

Description

Enter the global configuration mode

configure terminal

-

Create one ERPS ring

erps ring ring-id

Mandatory

By default, do not create one ERPS ring, and the value range of the ring is 1-64.

Configure the ERPS ring control VLAN

control vlan vlan-id

Mandatory

By default, do not configure the control VLAN of the ERPS ring.

Configure the ERPS ring data instance

instance instance-list

Mandatory

By default, do not configure the ERPS data instance.

Configure the ERPS ring port PORT0

port0 { interface interface-name | interface link-aggregation link-aggregation-id } [ rpl { owner | neighbour } ]

Mandatory

By default, do not configure the ERPS port0.

rpl owner: Indicate that the port is the owner port of RPL

rpl neighbor: Indicate that the port is the neighbor port of RPL.

If not configuring rpl, indicate that the port is the ordinary port.

Configure the ERPS ring port PORT1

port1 { interface interface-name | interface link-aggregation

link-aggregation-id } [ rpl { owner | neighbour } ]

Mandatory

By default, do not configure the ERPS port1.

rpl owner: Indicate that the port is the owner port of RPL

rpl neighbor: Indicate that the port is the neighbor port of RPL.

If not configuring rpl, indicate that the port is the ordinary port.

Configure the version information of the ERPS ring

version { v1 | v2 }

Optional

By default, the version is V2.

Configure the mel value of the ERPS ring packet

mel level-id

Optional

By default, the mel value is 7, and the value range is 0-7.

Configure the ERPS ring is the sub ring

sub-ring

Optional

By default, the ERPS ring is the main ring.

Configure the ERPS ring to the non-switchback mode

revertive disable

Optional

By default, the ERPS is the switchback mode.

Configure the virtual channel of the ERPS sub ring

virtual-channel enable

Optional

By default, ERPS is the non-virtual channel.

note


  • ERPS control VLAN can only be used for transmitting the ERPS protocol packets, not for other services. All nodes in the same ERPS ring need to configure the same Mel value.
  • Subring virtual channel is not recommended in the intersecting ring networking environment.

Enable the ERPS Protocol

After the above configuration is complete, use the command to enable the ERPS protocol.

Table 11-3 Enable the protocol on the ERPS ring

Step

Command

Description

Enter the global configuration mode

configure terminal

-

Enter the ERPS configuration mode

erps ring ring-id

-

Enable the ERPS protocol

erps enable

Mandatory

By default, the ring does not enable the ERPS protocol.